SKU: 14270310489

37V Lithium Battery System (Made in the USA)

Sale price$270.00 Regular price$300.00
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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16

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Description

37V Lithium Battery System (Made in the USA)Our philosophy is simple: use the best available technologies, highest quality materials, most stringent testing procedures and build our batteries in the USA, backed by an industry leading 3 year limited warranty. Each battery system goes through our special build process using industry leading cell matching and welding machines. Our rigorous test procedures ensure you are getting not only the freshest battery system, but the best performing battery!

Our philosophy is simple: use the best available technologies, highest quality materials, most stringent testing procedures and build our batteries in the USA, backed by an industry leading 3 year limited warranty.

Each battery system goes through our special build process using industry leading cell matching and welding machines. Our rigorous test procedures ensure you are getting not only the freshest battery system, but the best performing battery!  All packs are then fitted with high quality AMASS XT90s/XT60 to guarantee solid performance and connectivity.

Do you have a custom application or don't see the battery configuration you want? We are able to custom make you a battery to your exact specifications!

When it comes to lithium batteries, they are the last thing you want to skimp on. Our #1 priority is safety so we only use the highest quality cells, materials, battery management systems, testing procedures to ensure you get the best quality battery system out there!  A good quality battery will not only last longer but will ensure safety and offer much better performance.

37V 10AH- 3.5lb, 8.7"x 2.25" x 2.9", 30A BMS (1000W power capability)

37V 15AH- 5.1lb, 8.7"x 2.75" x 2.9", 40A BMS (1500W power capability)

37V 20AH- 6.7lb,  8.7"x 3.25" x 2.9", 60A BMS (2200W power capability)

37V 25AH- 8.3lb, 8.7"x 3.75" x 2.9", 60A BMS (2200W power capability)

HPC High Performance Battery System Features

- Industry leading 1000 charge cycles (LGM50LT)

- Industry leading energy density

-Ultra low impedance cells with lower voltage sag for higher top speeds faster acceleration and more thrilling performance!

-Powerful Battery Management System (BMS) offers industry leading performance and safety

-Engineered to deliver reliable power

-Includes high quality 3 Amp aluminum intelligent charger.

- Comes with Amass XT90 discharge connector / Amass XT60 charge connector

- UN 38.3 Certified! These batteries meet the most stringent safety standards and have demonstrated the utmost in reliability in some of the most punishing (and expensive) testing procedures yet devised for portable lithium batteries. 

- Industry leading 3 Year Limited Warranty. Please read terms and conditions for full warranty details.

Ready to export worldwide!

*ALL HPC BATTERIES ARE CUSTOM MADE TO ORDER.  We will make your pack with the freshest available cells, typically in 10-21 working days.*

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 14270310489

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4.1 ★★★★★
Based on 18 reviews
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Verified Purchase
KendallTom
Charlottesville, US
★★★★★ 5
The Best Wallet
Color: Boulder Black - Napa Smooth Black
This is the second wallet I have purchased from Bull Guard. The first one is identical and I have used it for approximately one year. The first wallet has held up perfectly. I just decided to buy a second one because I am so happy with the first one and I decided to break up my cards into frequently used in the second, new wallet and less frequently used in the first and older wallet. The capacity of the wallet is excellent. It easily holds all my credit cards, drivers license, bills, insurance ID cards, and my global entry card. The material, workmanship, durability, and quality is also excellent. The wallet is all leather and breaks in perfectly. The size is also perfect fitting perfectly in my rear pocket. For the price, this is the best man's wallet I have ever had and I highly recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 22, 2025
R
Verified Purchase
Reviews By Mike
Pawtucket, US
★★★★★ 5
Solid Wallet
Color: Wild Buffalo Grey
I recently purchased the ULL GUARD Buffalo Leather Wallet, and I’m genuinely impressed with its quality and craftsmanship. The buffalo leather feels durable and premium—this is a wallet that looks like it’ll stand the test of time. What I love about it: - Thoughtful Billfold Design: The bill compartment includes a separator, which is perfect for organizing cash and checks separately. It’s a small detail that makes a big difference. - Plenty of Storage: There are numerous credit card slots, making it easy to keep all your cards neatly arranged and accessible. - Clear ID Pocket: The transparent ID slot is a convenient touch, especially for quick access to your driver’s license or work badge. Overall, this wallet combines functionality with rugged style. If you're looking for something that’s both practical and built to last, the ULL GUARD Buffalo Leather Wallet is a solid choice.
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Reviewed in the United States on November 7, 2025
A
Verified Purchase
Amazon Customer
Lake Worth, US
★★★★★ 5
A Quality Wallet
Color: Boulder Black - Napa Smooth Black
So far so good. The wallet has a great feel and is of high quality. It looks great and has plenty of credit card slots and I love the bill holder, with a divider. It is wider than I expected, but it stays thinner than the last minimalist wallet I had so the trade off is worth it to me. I would buy it again.
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Reviewed in the United States on April 28, 2026
T
Verified Purchase
T. Shepard
Los Angeles, US
★★★★★ 5
Classic tooling.
Color: Adventure Brown - Vintage Buffalo Brown
Excellent. Extremely well made. Full grain bullhide. Pretty tooling.
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Reviewed in the United States on May 14, 2026
A
Verified Purchase
A. Menard
Houston, US
★★★★★ 5
Good Wallet, Plenty of Storage Slots
I needed a new wallet to replace my old one that was a tri-fold one that was cloth and it was getting some wear holes in it. I really like this wallet but it has one feature I don't care for. The wallet is good size, has plenty of card holding capacity, RFID blocking, soft leather and it's window is large enough to hold two picture ID's, which I have not to mention the price is pretty good. The only feature I don't care for is the two pocket billfold section. I find it restricts how far it opens up which then makes it hard to see the money you're carrying. I would have been better to not have this so it would open farther and just put two horizontal fabric pockets on the front side of the bill section to hold some business cards.
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Reviewed in the United States on April 8, 2026

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